Cost to Run a Oil-Filled Radiator Heater in Hawaii
Hawaii's average residential electricity rate is 48¢/kWh as of July 2026 — the 51st cheapest in the country, 162% above the U.S. average. At typical usage (8 hours/day), a oil-filled radiator heater here costs $175 per month.
Per hour
$0.72
at 700–1,500 W
Per day
$5.76
8 hours/day
Per month
$175
365 kWh
Per year
$2,102
4,380 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $2.88 | $87.55 | $1,051 |
| Typical (8 hrs/day) | $5.76 | $175 | $2,102 |
| Heavy (16 hrs/day) | $11.52 | $350 | $4,205 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a oil-filled radiator heater in Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a oil-filled radiator heater with typical usage costs about $5.76 per day, $175 per month, or $2,102 per year.
Is running a oil-filled radiator heater in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $175 per month here versus $66.76 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 48¢ per kWh as of July 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.